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Hardness testing is an important part of quality control for metal components, finished products, surface-treated parts, and precision machinery. When hardness needs to be checked directly on a component or at the testing site, a portable ultrasonic hardness tester can provide a practical solution.

The 300M Motorized Ultrasonic Hardness Tester for Non-Destructive Testing uses the ultrasonic contact impedance method for hardness testing on-site or in the laboratory. Its small contact indentation makes it suitable for testing finished products and various surface-treated components.

What Is a 300M Motorized Ultrasonic Hardness Tester?

The 300M is a portable durometer designed for ultrasonic hardness testing. It uses the ultrasonic contact impedance method to measure hardness and can be used for both on-site and laboratory testing.

The 300M supports both motorized and manual probes, allowing users to select a suitable probe according to the surface condition and specific testing requirements.

Its applications include hardness testing of coatings and plating, as well as finished products such as molds, gears, shafts, rods, screws, and rails.

How Does Ultrasonic Hardness Testing Work?

The 300M uses ultrasonic contact impedance technology to perform hardness measurements through a probe.

During testing, the probe contacts the test surface and applies the specified test force. The instrument evaluates the ultrasonic response generated during c

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